Finding the Fourth Proportional to 18,237,354.97, 27,365,463.11 and 8,009,404.69
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Solution
The fourth proportional to 18,237,354.97, 27,365,463.11 and 8,009,404.69 is: 12,018,248.75
Step by Step Solution
- Step 1: Write the proportion equation
18,237,354.97 : 27,365,463.11 = 8,009,404.69 : x - Step 2: Convert to fraction form
18,237,354.97/27,365,463.11 = 8,009,404.69/x - Step 3: Cross multiply
18,237,354.97x = 27,365,463.11 × 8,009,404.69 - Step 4: Simplify right side
18,237,354.97x = 219,181,068,577,256 - Step 5: Solve for x
x = 219,181,068,577,256/18,237,354.97 - Step 6: Final answer
x = 12,018,248.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.